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export of bounding box is no longer a mandatory requirement for coordination view export
based on
coordination view version 1
24. Feb 2006
ISG meeting in Berlin
summary export of bounding box is no longer mandatory



The export of a bounding box for each object is no longer mandatory, but application may provide this as an additional option.

NOTE 1: In previous agreements, dated back to IFC1.5.1 implementations, the provision of a bounding box was mandatory. However support has been very different and the previous agreement is hereby revoked.

NOTE 2: The agreement is specific to the extended coordination view and also driven by the desire to keep the file and model sizes down, if bounding box representation are needed for particular purposes, its mandatory export has to be agreed upon in a different view definition.